Orthogonal Circular Polarization Detection Patch Array Antenna Using Double-Balanced Rf Multiplier

Hossain, Md. Azad; Ushijima, Yu; Nishiyama, Eisuke; Toyoda, Ichihiko; Aikawa, and Masayoshi

doi:10.2528/pierc12032402

Cited by 16 publications

(16 citation statements)

References 14 publications

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“…where ϕ Σ and ϕ Δ are the phases of the two input signals Σ and Δ, respectively [14]. As shown in Figure 2 and Eqs.…”

Section: (B)mentioning

confidence: 83%

A Planar Extended Monopulse Doa Estimation Antenna Integrating an Rf Multiplier

Rashid¹,

Nishiyama²,

Toyoda³

2018

PIER C

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Abstract-This paper proposes a novel planar direction-of-arrival (DOA) estimation antenna. The estimation capability of phase monopulse DOA estimation antennas is enhanced by integrating an RF multiplier that detects the phase relation between the sum and difference of the two received signals.The proposed antenna provides a wide range of estimation whereas the conventional monopulse DOA estimation antennas determine the angles of half space. A prototype antenna has been fabricated, and the proposed concept was successfully confirmed.

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“…where ϕ Σ and ϕ Δ are the phases of the two input signals Σ and Δ, respectively [14]. As shown in Figure 2 and Eqs.…”

Section: (B)mentioning

confidence: 83%

A Planar Extended Monopulse Doa Estimation Antenna Integrating an Rf Multiplier

Rashid¹,

Nishiyama²,

Toyoda³

2018

PIER C

Self Cite

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“…Besides, k is wave vector that shows direction of wave propagation. In order to utilize spacedomain parameters expressed by such vector quantities, we previously proposed polarization switchable antennas 23 and polarization discrimination antennas 24,25 as well as an appropriate scheme of spatial modulation. 26 With these antennas, space-domain parameters are directly processed in RF band, thus making possible implementation of simple transceiver modules.…”

Section: Spatial Wavementioning

confidence: 99%

“…In addition, when using polarization discrimination antennas, polarization can be distinguished through direct processing of received signal in RF band. 24,25 Figure 1 shows several configurations of the active integrated antenna with oscillation and polarization switching functions. Each configuration is composed of antennas that excite two sets of orthogonal linearly polarized waves, oscillators, and modulators for polarization switching.…”

Section: Polarization-agile Spatially Modulated Communicationmentioning

confidence: 99%

Polarization Agile Self-Oscillating Active Integrated Antenna for Spatial Modulation Wireless Communications

et al. 2018

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This article proposes a new design concept of active integrated array antennas having oscillation and modulation functions for spatial modulation wireless communication systems. Several configurations of the active integrated array antennas are proposed and discussed. The proposed active integrated antennas provide polarization modulated radio waves with a simple structure. A polarization switchable ring-slot active integrated antenna employing Gunn oscillators is designed and experimentally demonstrated as an example of the proposed concept. The prototype active integrated antenna successfully switched its polarization angle between ±45 • . The proposed active integrated antenna concept was found to be feasible. K E Y W O R D S active integrated antenna, polarization switching, RF signal processing, spatial modulation Electron Comm Jpn. 2018;101:37-44.

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“…Among the microstrip antennas, circular polarization microstrip antennas are more suitable because of their inherent capabilities of reduced multi-path fading, improved coverage and fixed polarization [4]- [5]. The distinct advantage of the circular polarization antenna over the linear polarization antenna is the orientation flexibility [6]. Some basic studies of the circular polarization antenna have been reported [1]- [4], [7]- [9].…”

Section: Introductionmentioning

confidence: 99%

Design of a circular polarization switchable microstrip array antenna using magic-T bias circuit

Hossain

Chowdhury

Hossain

et al. 2014

2013 International Conference on Electrical Information and Communication Technology (EICT)

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In this paper, a 4-element circular polarization switchable patch array antenna is proposed. The array antenna is realized by the successful employment of the both-sided MIC technology, where the odd and even mode of the slot line and microstrip lines are used for the realization of the orthogonal feed and magic-T switching circuit respectively. The advantage of the magic-T circuit is the excellent isolation between the RF signal and the switching signal. In order to realize the polarization switching, two switching diodes are integrated with each patch elements. Unequal feed line is introduced to realize 90º phase difference between the patch elements and this way, circular polarization switchable array antenna can be realized. The array antenna unit is realized in very simple and compact structure as all the antenna elements, feeding circuit and switching circuit are arranged on both sides of a Teflon glass fiber substrate. The structure and the basic behavior of the circular polarization switchable array antenna are demonstrated in this paper. In addition, the simulated S-parameters and the phase difference of the feed circuit are explained.

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Orthogonal Circular Polarization Detection Patch Array Antenna Using Double-Balanced Rf Multiplier

Cited by 16 publications

References 14 publications

A Planar Extended Monopulse Doa Estimation Antenna Integrating an Rf Multiplier

A Planar Extended Monopulse Doa Estimation Antenna Integrating an Rf Multiplier

Polarization Agile Self-Oscillating Active Integrated Antenna for Spatial Modulation Wireless Communications

Design of a circular polarization switchable microstrip array antenna using magic-T bias circuit

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